APA (7th ed.) Citation

(1979). Shipping marks on timber (21st ed.). Benn Publications.

Chicago Style (17th ed.) Citation

Shipping Marks on Timber. 21st ed. London: Benn Publications, 1979.

MLA (9th ed.) Citation

Shipping Marks on Timber. 21st ed. Benn Publications, 1979.

Warning: These citations may not always be 100% accurate.